Access check system utilizing cached access permissions

Details Access check system utilizing cached access permissions Access check system utilizing cached access permissions

1996-08-14

1999-03-30

Ramirez, Ellis B.

G06F 1700

Patent

active

058899529

ABSTRACT:
An access-check system for a network server comprises an access-cache for storing access-permissions generated by the server in response to resource access requests. The system retrieves the appropriate access-permission from the access-cache in response to receipt of a request necessitating the same access-permission as already generated for an earlier processed request. A user-token cache is also employed to assign a unique user-token, to be used in the access-cache, to each user logged on to the server. Changes made to the user-token cache are reflected in the access-cache by removing from the access-cache those entries containing the changed user-token. Changes made to an access control list are reflected in the access-cache by removing from the access-cache those entries containing the server resource with which the changed access control list is associated.

REFERENCES:
patent: 5335346 (1994-08-01), Fabbio
patent: 5560008 (1996-09-01), Johnson et al.
patent: 5577209 (1996-11-01), Boyle et al.

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